National Stock Number
5985-00-159-8305
National Stock Number (NSN) 5985-00-159-8305, or NIIN 001598305, (coupler,rotary,radio frequency) was assigned October 29, 1971 in the Federal Logistics Information System (FLIS). NIIN 001598305 was cancelled on April 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5985011068512. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 00371. [AN ITEM WHICH PROVIDES A MEANS OF TRANSFER OF ELECTRICAL ENERGY BETWEEN TWO COMPONENTS OR SETS, AND WHICH IS SPECIFICALLY DESIGNED TO PERMIT ONE SECTION OF A TRANSMISSION LINE OR WAVEGUIDE TO ROTATE CONTINUOUSLY WITH RESPECT TO ANOTHER, AND STILL MAINTAIN RADIO FREQUENCY CONTINUITY.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5985001598305 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.